diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/ExclusiveGatewayForecasting.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/ExclusiveGatewayForecasting.java
index ae29b885d..863dc38e5 100644
--- a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/ExclusiveGatewayForecasting.java
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/ExclusiveGatewayForecasting.java
@@ -3,11 +3,8 @@ package cn.axzo.workflow.core.service.support.forecast.impl;
 import cn.axzo.workflow.core.service.support.forecast.AbstractForecast;
 import org.flowable.bpmn.model.ExclusiveGateway;
 import org.flowable.bpmn.model.FlowElement;
-import org.flowable.engine.runtime.ProcessInstance;
 import org.springframework.stereotype.Component;
-import org.springframework.util.CollectionUtils;
 
-import java.util.Collections;
 import java.util.List;
 
 /**
@@ -28,15 +25,4 @@ public class ExclusiveGatewayForecasting extends AbstractForecast<ExclusiveGatew
         return flowElement.getOutgoingFlows();
     }
 
-    @Override
-    public List<? extends FlowElement> calcRealOutgoingNodes(List<ExclusiveGateway> flowElements,
-                                                             ProcessInstance instance) {
-        if (CollectionUtils.isEmpty(flowElements)) {
-            return Collections.emptyList();
-        }
-        if (flowElements.size() == 1) {
-            return flowElements;
-        }
-        return super.calcRealOutgoingNodes(flowElements, instance);
-    }
 }
diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/ReceiveTaskForecasting.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/ReceiveTaskForecasting.java
new file mode 100644
index 000000000..61fef5ef2
--- /dev/null
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/ReceiveTaskForecasting.java
@@ -0,0 +1,29 @@
+package cn.axzo.workflow.core.service.support.forecast.impl;
+
+import cn.axzo.workflow.core.service.support.forecast.AbstractForecast;
+import com.google.common.collect.Lists;
+import org.flowable.bpmn.model.FlowElement;
+import org.flowable.bpmn.model.ReceiveTask;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+
+/**
+ * 接收任务
+ *
+ * @author wangli
+ * @since 2023/11/28 15:07
+ */
+@Component
+public class ReceiveTaskForecasting extends AbstractForecast<ReceiveTask> {
+    @Override
+    public Boolean support(FlowElement flowElement) {
+        return flowElement instanceof ReceiveTask;
+    }
+
+    @Override
+    protected List<? extends FlowElement> getOutgoing(ReceiveTask flowElement) {
+        return Lists.newArrayList(flowElement.getOutgoingFlows());
+    }
+
+}
diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/SequenceFlowForecasting.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/SequenceFlowForecasting.java
index b48a026a6..07e50618e 100644
--- a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/SequenceFlowForecasting.java
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/SequenceFlowForecasting.java
@@ -11,6 +11,7 @@ import org.springframework.util.StringUtils;
 
 import java.util.Collections;
 import java.util.List;
+import java.util.Objects;
 import java.util.stream.Collectors;
 
 /**
@@ -49,7 +50,7 @@ public class SequenceFlowForecasting extends AbstractForecast<SequenceFlow> {
 
         // 如果 conditionExpression 为空, 则认为是默认流
         List<SequenceFlow> defaultFlows =
-                flowElements.stream().filter(i -> !StringUtils.hasLength(i.getConditionExpression())).collect(Collectors.toList());
+                flowElements.stream().filter(i -> Objects.isNull(i.getConditionExpression())).collect(Collectors.toList());
         if (!CollectionUtils.isEmpty(defaultFlows) && defaultFlows.size() == 1) {
             return Lists.newArrayList(defaultFlows.get(0));
         }
diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/ServiceTaskForecasting.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/ServiceTaskForecasting.java
new file mode 100644
index 000000000..662af7c01
--- /dev/null
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/ServiceTaskForecasting.java
@@ -0,0 +1,28 @@
+package cn.axzo.workflow.core.service.support.forecast.impl;
+
+import cn.axzo.workflow.core.service.support.forecast.AbstractForecast;
+import org.flowable.bpmn.model.FlowElement;
+import org.flowable.bpmn.model.ServiceTask;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+
+/**
+ * 服务任务 [抄送节点使用的是该 task 类型]
+ *
+ * @author wangli
+ * @since 2023/11/28 15:16
+ */
+@Component
+public class ServiceTaskForecasting extends AbstractForecast<ServiceTask> {
+    @Override
+    public Boolean support(FlowElement flowElement) {
+        return flowElement instanceof ServiceTask;
+    }
+
+    @Override
+    protected List<? extends FlowElement> getOutgoing(ServiceTask flowElement) {
+        return flowElement.getOutgoingFlows();
+    }
+
+}
diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/UserTaskForecasting.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/UserTaskForecasting.java
index a4697838c..363da14bb 100644
--- a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/UserTaskForecasting.java
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/support/forecast/impl/UserTaskForecasting.java
@@ -3,11 +3,8 @@ package cn.axzo.workflow.core.service.support.forecast.impl;
 import cn.axzo.workflow.core.service.support.forecast.AbstractForecast;
 import org.flowable.bpmn.model.FlowElement;
 import org.flowable.bpmn.model.UserTask;
-import org.flowable.engine.runtime.ProcessInstance;
 import org.springframework.stereotype.Component;
-import org.springframework.util.CollectionUtils;
 
-import java.util.Collections;
 import java.util.List;
 
 /**
@@ -28,14 +25,4 @@ public class UserTaskForecasting extends AbstractForecast<UserTask> {
         return flowElement.getOutgoingFlows();
     }
 
-    @Override
-    public List<? extends FlowElement> calcRealOutgoingNodes(List<UserTask> flowElements, ProcessInstance instance) {
-        if (CollectionUtils.isEmpty(flowElements)) {
-            return Collections.emptyList();
-        }
-        if (flowElements.size() == 1) {
-            return flowElements;
-        }
-        return super.calcRealOutgoingNodes(flowElements, instance);
-    }
 }